NEW 2027 Presvac Systems Stainless Steel DOT Liquid Vac

Type: Truck mount – Dumping With Door
Code: D.O.T. 412

Vessel will be constructed and certified in conformance with the ASME Boiler and
Pressure Vessel Code (Section VIII, Division 1) National Board Registered.

Tank capacity - 4066 US Gallons
Head material - 5/16” stainless steel 316
Shell material - 1/4” stainless steel 316
Tank diameter - 78” OD
Overall tank length - 17’-6” (15’ Seam to Seam)
Reinforcing - External exposed rings, stainless steel 304
Design pressure (internal) - 25 PSI
Design pressure (external) - 15 PSI (full vacuum)
Hydrostatic test pressure - 40 PSI
Maximum working pressure - 25 PSI
Operating temperature - -20˚F to 200˚F
Overturn protection - Front, center and rear, DOT 407/ 412
Pressure relief vent - Betts 4” stainless steel 316, 25 PSI (407 / 412)
Primary shut off - 20” quick opening hatch with 14” stainless steel
float ball seating against a Neoprene seat, ball and
seat inspection and service is external, stainless
steel 316.

Isolation valve - 6” air operated butterfly valve between primary
shut off and secondary shut off, stainless steel 316

Secondary shut off (cyclone) - HD cyclone, stainless steel 316 and 2” drain valve

Vacuum lines - Continuously grounded, wire reinforced, neoprene
vacuum / pressure hose, looped to rear, no
disconnecting required when dumping
Vacuum pressure gauge - One (1) glycerin filled, anti-shock
Liquid level indicator - External arrow rotary float gauge with 9” stainless
steel float ball, Teflon packing and Teflon seals,
stainless steel 316

Baffle - One (1) half baffle, upper section of tank, welded to reinforcing pads, stainless steel 316

Top manway - One (1) 20” diameter manway, design pressure 50 PSI, stainless steel 316

Spill dam - Around 20” manway with drain hoses, stainless steel 316

Walkway - Anti skid Grip Strut material on passenger side
Osha type enclosure - Around Grip Strut walkway
Grabrail - Tank top
Ladder - To top manway - anti skid material
Hoist - Front mounted hydraulic hoist, 20 tons capacity
- Heavy duty hinges, grease fittings
- Hoist safety prop, full length subframe

Rear door-stainless steel - Full opening, top hinged, door hydraulic up and
down. Grease fittings on all moving parts.
Neoprene door seal. Door safety prop.

Vibrator - Hydraulic operated with heavy duty mounting pad, variable speed and relief valve

Hose trays / fenders - Full length combination hose trays and fenders on
each side of tank, stay in down position when tank
body is raised, anti-sail mudflaps, light protection
caps

Toolboxes - One (1) 36” x 18” x 18” Stainless Steel.

Suction valve - One (1) 6” air operated self-closing Betts valve
complete with coupling and drip cap, stainless
steel 316, 6” manual Betts valve.

Internal riser pipe - 6” with deflector / wear plate, stainless steel 316
Discharge valve - One (1) 6” air operated self-closing Betts valve
complete with coupling and drip cap, stainless
steel 316, 6” manual Betts valve.

Bumper - Heavy duty (407 / 412) for valve and underride protection
- Anti skid steps to rear door locks

Hose hooks - Two (2) on rear head
Placards - Four (4) multi-purpose
Fire extinguisher - One (1) dry chemical type for hydrocarbons
Anti-static ground - One (1) static ground cable, 50’ with clamp on reel
mounted in the toolbox

Lights - LED - Vapor proof lights, all wiring in conduit, “Truck
“Lites, 3 lamp rear modules, junction box, 3 in row
clearance lights, clearance lights and reflectors
Work lights -LED - Two (2) spotlights with control switch in cab
Amber beacon - Rear of tank top
Back up alarm - Audible

Vacuum pressure pump - Moro HM46 rotary vane, liquid cooling for 24 HG
continuous duty, maximum vacuum 27”, maximum
pressure 14.5 PSI relieved at 8 PSI, 1642 CFM
(free air), 1419 CFM @ 15” HG. Automatic
lubrication, four-way valve for vacuum pressure,
check valve, filter with brass screen cartridge, oil
catch muffler with drain valve, Camlock coupling
for exhaust hose adaptor

Pump drive - hydraulic - Air engaged heavy duty PTO. with hydraulic pump,
hydraulic motor coupled to vacuum pump.
Hydraulic oil reservoir complete with inlet and
outlet filters, oil pressure gauge, level gauge,
pressure relief valve, oil flow diffuser

- Valve bank to operate vacuum pump, hoist, door,
and vibrator
Hydraulic oil cooler / heat exchanger
Installation - Complete unit on truck chassis
Finish – Polished - Tank polished

- All mild steel sandblasted, two (2) coats of primer,
two (2) coats of finish paint, Dupont Centari -
acrylic urethane enamel, one (1) color (customer’s
choice) Paint tank end caps, hose trays,
catwalk and pump/blower Black
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